Jawaban:
b. 18°
Penjelasan dengan langkah-langkah:
7x + 8x + 90° = 360°
15x = 360° - 90°
15x = 270°
x = 18°
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Jawaban:
b. 18°
Penjelasan dengan langkah-langkah:
7x + 8x + 90° = 360°
15x = 360° - 90°
15x = 270°
x = 18°